Possible BGP hijack

Beginning at 2018-10-25 20:52:38 UTC, we detected a possible BGP hijack.

Prefix 185.137.104.0/22, is normally announced by AS10 CSNET Coordination and Information Center (CSNET-CIC).

But beginning at 2018-10-25 20:52:38, the same prefix (185.137.104.0/22) was also announced by ASN 2.

This was detected by 90 BGPMon peers.

Expected
Start time: 2018-10-25 20:52:38 UTC
Expected prefix: 185.137.104.0/22
Expected ASN: 10 (CSNET Coordination and Information Center (CSNET-CIC))
Event Details
Detected advertisement: 185.137.104.0/22
Detected Origin ASN 2 (University of Delaware)
Detected AS Path 396303 20473 2914 174 34977 205624 205575 2
Detected by number of BGPMon peers: 90

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